:root {
  --bg: #090b10;
  --bg-soft: #0f131b;
  --surface: rgba(18, 22, 31, 0.78);
  --surface-2: #121722;
  --text: #f3f5f8;
  --muted: #9aa4b2;
  --line: rgba(255, 255, 255, 0.10);
  --accent: #70e1ff;
  --accent-2: #a78bfa;
  --success: #72e0a5;
  --max: 1120px;
}

[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-soft: #edf1f5;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-2: #ffffff;
  --text: #10141b;
  --muted: #5f6977;
  --line: rgba(16, 20, 27, 0.11);
  --accent: #087ea4;
  --accent-2: #7657d9;
  --success: #238457;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(112,225,255,.09), transparent 25rem),
    radial-gradient(circle at 10% 35%, rgba(167,139,250,.07), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: .035;
  z-index: 10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; }
.brand-mark {
  display: grid; place-items: center; width: 32px; height: 32px;
  border: 1px solid var(--line); border-radius: 9px;
  background: linear-gradient(135deg, rgba(112,225,255,.2), rgba(167,139,250,.16));
}
.nav-links { display: flex; gap: 28px; color: var(--muted); font-size: .9rem; }
.nav-links a:hover { color: var(--text); }
.theme-toggle {
  border: 1px solid var(--line); background: var(--surface);
  color: var(--text); width: 38px; height: 38px; border-radius: 50%;
  cursor: pointer;
}

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 70px;
  padding-top: 80px;
}
.eyebrow {
  color: var(--muted); font-size: .82rem; text-transform: uppercase;
  letter-spacing: .15em; display: flex; align-items: center; gap: 9px;
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 12%, transparent);
}
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; line-height: 1.05; margin: 0; letter-spacing: -.04em; }
h1 { font-size: clamp(3.5rem, 7vw, 6.4rem); margin: 22px 0; }
h1 span { color: transparent; -webkit-text-stroke: 1px var(--muted); }
.hero-text { max-width: 610px; color: var(--muted); font-size: 1.1rem; }
.hero-actions { display: flex; gap: 12px; margin: 32px 0 22px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 19px; border-radius: 10px;
  border: 1px solid var(--line); font-weight: 600; font-size: .92rem;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.button.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.button.secondary { background: transparent; }
.quick-links { display: flex; gap: 20px; color: var(--muted); font-size: .85rem; }
.quick-links a:hover { color: var(--accent); }

.hero-terminal {
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: linear-gradient(145deg, rgba(20,25,35,.92), rgba(10,13,19,.95));
  box-shadow: 0 30px 90px rgba(0,0,0,.25);
}
.terminal-top {
  height: 46px; display: flex; align-items: center; gap: 12px;
  padding: 0 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .78rem;
}
.window-dots { display: flex; gap: 6px; margin-right: auto; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #586174; }
.terminal-status { color: var(--success); font-size: .72rem; }
pre { margin: 0; padding: 30px 26px 34px; overflow-x: auto; font: 500 .88rem/2 "SFMono-Regular", Consolas, monospace; color: #d5dbea; }
.kw { color: #c792ea; } .type { color: #82aaff; } .str { color: #c3e88d; }
.key { color: #89ddff; } .fn { color: #82aaff; }

.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
}
.metrics div { padding: 25px 22px; border-right: 1px solid var(--line); }
.metrics div:last-child { border-right: 0; }
.metrics strong, .metrics span { display: block; }
.metrics strong { font-family: "Space Grotesk"; font-size: 1.05rem; }
.metrics span { color: var(--muted); font-size: .8rem; margin-top: 3px; }

.section { padding-top: 130px; }
.section-heading { display: flex; align-items: baseline; gap: 18px; margin-bottom: 50px; }
.section-number { color: var(--accent); font: 600 .75rem "SFMono-Regular", Consolas, monospace; letter-spacing: .1em; }
.section-heading h2 { font-size: clamp(2rem, 4vw, 3.3rem); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }
.big-copy { font: 600 clamp(2rem, 4vw, 3.5rem)/1.1 "Space Grotesk"; letter-spacing: -.045em; margin: 0; }
.big-copy em { color: var(--accent); font-style: normal; }
.about-body { color: var(--muted); max-width: 560px; }
.about-body p { margin: 0 0 20px; }

.experience-card {
  border: 1px solid var(--line); border-radius: 18px; padding: 34px;
  background: linear-gradient(135deg, var(--surface), transparent);
}
.experience-top { display: flex; justify-content: space-between; gap: 20px; align-items: start; }
.role { color: var(--accent); margin: 0 0 8px; font-size: .8rem; text-transform: uppercase; letter-spacing: .13em; }
.experience-top h3 { font-size: 1.7rem; }
.experience-tag { border: 1px solid color-mix(in srgb, var(--success) 35%, var(--line)); color: var(--success); padding: 5px 10px; border-radius: 99px; font-size: .72rem; }
.experience-content { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; margin-top: 32px; }
.experience-content ul { margin: 0; padding-left: 20px; color: var(--muted); }
.experience-content li { margin-bottom: 12px; }
.tech-row, .project-stack { display: flex; flex-wrap: wrap; gap: 8px; align-content: start; }
.tech-row span, .project-stack span {
  border: 1px solid var(--line); border-radius: 7px; padding: 5px 9px;
  font: 600 .72rem "SFMono-Regular", Consolas, monospace; color: var(--muted);
}

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.project-card {
  min-height: 360px; border: 1px solid var(--line); border-radius: 16px;
  padding: 28px; display: flex; flex-direction: column;
  background: var(--surface); transition: transform .25s ease, border-color .25s ease;
}
.project-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.project-card.featured { grid-row: span 2; min-height: 736px; background: linear-gradient(160deg, rgba(112,225,255,.08), var(--surface)); }
.project-meta { display: flex; justify-content: space-between; color: var(--muted); font: .7rem "SFMono-Regular", Consolas, monospace; text-transform: uppercase; letter-spacing: .08em; }
.project-card h3 { font-size: 2rem; margin: auto 0 16px; }
.project-card:not(.featured) h3 { font-size: 1.55rem; margin-top: 110px; }
.project-card p { color: var(--muted); margin: 0 0 22px; }
.project-stack { margin-top: auto; }
.project-note { color: var(--muted); font-size: .72rem; margin-top: 18px; opacity: .8; }

.skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.skill-group { padding: 28px 22px 30px 0; border-right: 1px solid var(--line); }
.skill-group:not(:first-child) { padding-left: 22px; }
.skill-group:last-child { border-right: 0; }
.skill-index { color: var(--accent); font: .7rem "SFMono-Regular", Consolas, monospace; }
.skill-group h3 { font-size: 1.2rem; margin: 22px 0 9px; }
.skill-group p { color: var(--muted); font-size: .86rem; margin: 0; }

.contact-section { padding-bottom: 90px; }
.contact-box {
  border: 1px solid var(--line); border-radius: 20px; padding: 48px;
  display: flex; justify-content: space-between; align-items: end; gap: 40px;
  background: radial-gradient(circle at 85% 50%, rgba(112,225,255,.12), transparent 25rem), var(--surface);
}
.contact-box h2 { font-size: clamp(2.3rem, 5vw, 4.2rem); max-width: 650px; margin: 20px 0 14px; }
.contact-box p { color: var(--muted); max-width: 560px; margin: 0; }
.contact-actions { display: flex; gap: 10px; flex-shrink: 0; }

.footer {
  border-top: 1px solid var(--line); padding-block: 24px;
  display: flex; justify-content: space-between; color: var(--muted); font-size: .75rem;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .1s; } .delay-2 { transition-delay: .2s; }

@media (max-width: 850px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 60px; min-height: auto; padding-bottom: 80px; }
  .hero-terminal { max-width: 700px; width: 100%; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .about-grid, .experience-content { grid-template-columns: 1fr; gap: 35px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-row: auto; min-height: 440px; }
  .project-card:not(.featured) h3 { margin-top: 80px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .skill-group:nth-child(2) { border-right: 0; }
  .skill-group:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .contact-box { flex-direction: column; align-items: start; padding: 34px; }
}

@media (max-width: 520px) {
  h1 { font-size: 3.35rem; }
  .hero-actions, .contact-actions { flex-direction: column; width: 100%; }
  .button { width: 100%; }
  .quick-links { flex-wrap: wrap; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics div { padding: 20px 14px; }
  .experience-card { padding: 24px; }
  .experience-top { flex-direction: column; }
  .skills-grid { grid-template-columns: 1fr; }
  .skill-group, .skill-group:not(:first-child) { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .skill-group:last-child { border-bottom: 0; }
  .footer { flex-direction: column; gap: 8px; }
}